Adjustable pressure function: This is a water pump pressure control switch for perfect pressure control. When adjustable rise and fall thresholds are reached, a pressure switch with a 40-60 psi pressure setting range activates the electric water pump in the power circuit. Widely used: 1/4 inch internal thread NPT, standard well pump replacement switch, designed for all types of electric well pumps (jet, submersible, reciprocating, etc.). Premium material: the pressure control switch is made of material with high strength and durability. The large contact can be opened when the pressure rises, extending the service life. Easy to use: water pressure control is easy to use, stable performance, motor protection, power saving, long-term use. Material: plastic colour: grey Package Contents: 1 x pressure switch for well pump Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia